"Performance improvement has accomplished for this version 2 as 5% in fanless operation (TDP 65W at 25C/77F ambient temperature) and 15% in active cooling operation (TDP 130W at 25C/77F ambient temperature). Specially tuned Scythe "Slip Stream" 120mm case fan equipped! Simply try this out to see the improvement of the performance in both fanless and active cooling mode!"